i have recently bought a new dawes 401 to commute to work and having had it for four days and done twenty miles it has started to make a rattleing noise and is getting, is this a case of something needing to be adjusted, please can anyone help - pictures would be great and all help apreciated, thanks
86 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds.
Is it chain rub?
Often on a new bike, the cables will "stretch" a bit.
If this sounds like your problem, tighten the adjustment on the rear derailleur cable. Try 1/2 turn at a time, noting where you started. (in case that wasn't the problem)